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Most brewed coffee has about 95 mg caffeine per 8-ounce cup, so 500 mg equals roughly five standard cups of coffee.

Around half a small cup of regular brewed coffee gives about 50 milligrams of caffeine, though the exact amount shifts with bean and brew.

For 32 oz of water, start with about 55 grams of coffee, then move a few grams up or down to match your taste and brew method.

An average 8 ounce cup of brewed coffee comes in near 110 milligrams of caffeine, so the answer is usually about one cup, give or take.

About one and a half to four cups of coffee equal 300 mg of caffeine, depending on brew strength and serving size.

About one and a half small cups or a single twelve ounce coffee give roughly 140 milligrams of caffeine.

Around 1½–2 small 8-ounce cups of brewed coffee give roughly 160 mg of caffeine, depending on how strong the coffee is.

Most drip coffee makers work well with 55–65 grams of coffee per liter of water, then you tweak grams up or down to match your taste.